Beans don't work

UI Components for JSF
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m.hakci
Posts: 7
Joined: 26 Aug 2010, 14:08

26 Aug 2010, 14:21

Hi all,

I'm new in primefaces, and i'm implementing an application with primefaces, jsf 2.0, tomcat 6 and eclipse helios IDE.
I need to implement a datatable which holds an ArrayList object.

my codes;

Code: Select all

public class TpUser {
	public String username;
	public String fullname;
	public String fullkananame;
	public String email;
	
	//Getters - Setters
	public void setUsername(String username) {
		this.username = username;
	}
	public String getUsername() {
		return username;
	}
	public void setFullname(String fullname) {
		this.fullname = fullname;
	}
	public String getFullname() {
		return fullname;
	}
	public void setFullkananame(String fullkananame) {
		this.fullkananame = fullkananame;
	}
	public String getFullkananame() {
		return fullkananame;
	}
	public void setEmail(String email) {
		this.email = email;
	}
	public String getEmail() {
		return email;
	}
}
my TpUser.java

Code: Select all

import java.util.ArrayList;

import javax.faces.bean.ManagedBean;

@ManagedBean(name = "tpUserBean")
public class TpUserBean {
	private ArrayList<TpUser> tpusers;
	
	public TpUserBean(){
		TpUser tp1 = new TpUser();
		tp1.setUsername("mhakci");
		tp1.setFullname("Mert HAKCI");
		tp1.setFullkananame("mert");
		tp1.setEmail("mh@hotmail.com");
		
		TpUser tp2 = new TpUser();
		tp1.setUsername("dozen");
		tp1.setFullname("Deniz OZEN");
		tp1.setFullkananame("deniz");
		tp1.setEmail("dos@hotmail.com");
		
		TpUser tp3 = new TpUser();
		tp1.setUsername("ocsert");
		tp1.setFullname("Onur Can SERT");
		tp1.setFullkananame("onur");
		tp1.setEmail("ocs@hotmail.com");
		
		TpUser tp4 = new TpUser();
		tp1.setUsername("kdursun");
		tp1.setFullname("Kayhan DURSUN");
		tp1.setFullkananame("kayan");
		tp1.setEmail("kd@hotmail.com");
		
		tpusers = new ArrayList<TpUser>();
		tpusers.add(tp1);
		tpusers.add(tp2);
		tpusers.add(tp3);
		tpusers.add(tp4);
		
	}
	
	public void setTpusers(ArrayList<TpUser> tpusers) {
		this.tpusers = tpusers;
	}

	public ArrayList<TpUser> getTpusers() {
		return tpusers;
	} 
}
my TpUserBean.java

Code: Select all

<ui:composition template="/WEB-INF/templates/default.xhtml"
	xmlns="http://www.w3.org/1999/xhtml"
	xmlns:h="http://java.sun.com/jsf/html"
	xmlns:f="http://java.sun.com/jsf/core"
	xmlns:ui="http://java.sun.com/jsf/facelets"
	xmlns:p="http://primefaces.prime.com.tr/ui">
	<ui:define name="content">
		<h:form>
			<p:dataTable var="tp" value="tpUserBean.tpusers">
				<p:column>  
			        <f:facet name="header">  
			            Username  
			        </f:facet>
			        <h:outputText value="#{tp.username}"/>    
			    </p:column>
			    <p:column>  
			        <f:facet name="header">  
			            Fullname  
			        </f:facet> 
			        <h:outputText value="#{tp.fullname}"/>   
			    </p:column>
			    <p:column>  
			        <f:facet name="header">  
			            Fullkananame  
			        </f:facet> 
			        <h:outputText value="#{tp.fullkananame}"/>    
			    </p:column>
			    <p:column>  
			        <f:facet name="header">  
			            Email  
			        </f:facet>   
			        <h:outputText value="#{tp.email}"/>  
			    </p:column>
			</p:dataTable>
		</h:form>
	</ui:define>
</ui:composition>
my index.xhtml

I'm using facelets technology, and here you're, errors..

Code: Select all

SEVERE: Error Rendering View[/index.xhtml]
javax.el.PropertyNotFoundException: /index.xhtml @14,50 value="#{tp.username}": Property 'username' not found on type java.lang.String
	at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:104)
	at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:190)
	at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:178)
	at javax.faces.component.UIOutput.getValue(UIOutput.java:168)
	at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:205)
	at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:338)
	at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:164)
	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:878)
	at org.primefaces.renderkit.CoreRenderer.renderChild(CoreRenderer.java:78)
	at org.primefaces.renderkit.CoreRenderer.renderChildren(CoreRenderer.java:62)
	at org.primefaces.component.datatable.DataTableRenderer.encodeTable(DataTableRenderer.java:589)
	at org.primefaces.component.datatable.DataTableRenderer.encodeMarkup(DataTableRenderer.java:492)
	at org.primefaces.component.datatable.DataTableRenderer.encodeEnd(DataTableRenderer.java:273)
	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:878)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1620)
	at javax.faces.render.Renderer.encodeChildren(Renderer.java:168)
	at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:848)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1613)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1616)
	at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:380)
	at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:126)
	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:127)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:313)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Unknown Source)
Aug 26, 2010 3:13:39 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet Faces Servlet threw exception
javax.el.PropertyNotFoundException: /index.xhtml @14,50 value="#{tp.username}": Property 'username' not found on type java.lang.String
	at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:104)
	at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:190)
	at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:178)
	at javax.faces.component.UIOutput.getValue(UIOutput.java:168)
	at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:205)
	at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:338)
	at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:164)
	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:878)
	at org.primefaces.renderkit.CoreRenderer.renderChild(CoreRenderer.java:78)
	at org.primefaces.renderkit.CoreRenderer.renderChildren(CoreRenderer.java:62)
	at org.primefaces.component.datatable.DataTableRenderer.encodeTable(DataTableRenderer.java:589)
	at org.primefaces.component.datatable.DataTableRenderer.encodeMarkup(DataTableRenderer.java:492)
	at org.primefaces.component.datatable.DataTableRenderer.encodeEnd(DataTableRenderer.java:273)
	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:878)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1620)
	at javax.faces.render.Renderer.encodeChildren(Renderer.java:168)
	at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:848)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1613)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1616)
	at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:380)
	at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:126)
	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:127)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:313)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Unknown Source)
please help me.

ghagleit
Posts: 6
Joined: 30 Mar 2010, 12:11

26 Aug 2010, 14:42

Hi

Try

Code: Select all

<p:dataTable var="tp" value="#{tpUserBean.tpusers}">
instead of

Code: Select all

p:dataTable var="tp" value="tpUserBean.tpusers">
best regards

m.hakci
Posts: 7
Joined: 26 Aug 2010, 14:08

26 Aug 2010, 14:56

Hey, thank you for this..

I hate these kind of errors.

nice days

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